Individual Calculations September 2015
 Abbas, Ahmed  Total change: -36.20  Rating chartPersonal card
 16th. Mahalla Open Mahalla EGY 2015-07-24
RcRownchangeKK*chgGame
 2016 1896 1.00 4 -0.41 40 -16.40 
  Adel Ibrahim, Mohammed 1639 EGY1.0010.18407.20 
  Ahmed, Ahmed Alaa 2176 EGY0.001-0.1640-6.40 
  Nader, Mohamed m2102 EGY0.001-0.2440-9.60 
  Anwar, Ashraf 2147 EGY0.001-0.1940-7.60 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 
 Zagazig Open 2015 Zagazig EGY 2015-08-03
RcRownchangeKK*chgGame
 2130 1896 0.50 4 -0.36 40 -14.40 
  Gabr, Mohsen 2212 EGY0.5010.374014.80 
  Sameir, Mahmoud 2193 EGY0.001-0.1540-6.00 
  Ibrahim, Sarwat 2041 EGY0.001-0.3140-12.40 
  Essam Eldin, Moamen 2073 EGY0.001-0.2740-10.80 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 
NOTE: K factor changed
 Egyptian Cup Teams Cairo EGY 2015-08-16
RcRownchangeKK*chgGame
 2069 1896 0.00 1 -0.27 20 -5.40 
  Hamam, Mahmoud 2069 EGY0.001-0.2720-5.40 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 

 

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